Vibrational Frequencies calculated at HF/3-21G*
| Mode Number |
Symmetry |
Frequency (cm-1) |
Scaled Frequency (cm-1) |
IR Intensities (km mol-1) |
Raman Act (Å4/u) |
Dep P |
Dep U |
| 1 |
A' |
3392 |
3062 |
0.98 |
94.85 |
0.26 |
0.42 |
| 2 |
A' |
639 |
577 |
7.94 |
8.84 |
0.17 |
0.29 |
| 3 |
A' |
413 |
373 |
27.55 |
8.35 |
0.17 |
0.30 |
| 4 |
A' |
189 |
171 |
0.24 |
3.14 |
0.53 |
0.69 |
| 5 |
A" |
1298 |
1171 |
78.79 |
2.17 |
0.75 |
0.86 |
| 6 |
A" |
831 |
750 |
78.09 |
4.82 |
0.75 |
0.86 |
Unscaled Zero Point Vibrational Energy (zpe) 3381.1 cm
-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 3051.7 cm
-1
See section
III.C.1 List or set vibrational scaling factors
to change the scale factors used here.
See section
III.C.2
Calculate a vibrational scaling factor for a given set of molecules
to determine the least squares best scaling factor.
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G*
Charges (e)
| Number |
Element |
Mulliken |
CHELPG |
AIM |
ESP |
| 1 |
C |
-0.255 |
|
|
|
| 2 |
H |
0.278 |
|
|
|
| 3 |
Br |
-0.012 |
|
|
|
| 4 |
Br |
-0.012 |
|
|
|
Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section
VII.A.3)
| |
x |
y |
z |
Total |
| |
-0.416 |
0.879 |
0.000 |
0.972 |
| CHELPG |
|
|
|
|
| AIM |
|
|
|
|
| ESP |
|
|
|
|
Electric Quadrupole moment
Quadrupole components in D Å
| Primitive |
| | x | y | z |
| x |
-43.373 |
-0.858 |
0.000 |
| y |
-0.858 |
-40.012 |
0.000 |
| z |
0.000 |
0.000 |
-41.221 |
|
| Traceless |
| | x | y | z |
| x |
-2.756 |
-0.858 |
0.000 |
| y |
-0.858 |
2.285 |
0.000 |
| z |
0.000 |
0.000 |
0.471 |
|
| Polar |
| 3z2-r2 | 0.943 |
| x2-y2 | -3.361 |
| xy | -0.858 |
| xz | 0.000 |
| yz | 0.000 |
|
Polarizabilities
Components of the polarizability tensor.
Units are
Å
3 (Angstrom cubed)
Change units.
| |
x |
y |
z |
| x |
3.235 |
-0.192 |
0.000 |
| y |
-0.192 |
4.550 |
0.000 |
| z |
0.000 |
0.000 |
8.215 |
<r2> (average value of r
2) Å
2
| <r2> |
218.186 |
| (<r2>)1/2 |
14.771 |